121001302102001 has 4 divisors (see below), whose sum is σ = 121001926847604. Its totient is φ = 121000677356400.

The previous prime is 121001302101989. The next prime is 121001302102049. The reversal of 121001302102001 is 100201203100121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11584492960000 + 109416809142001 = 3403600^2 + 10460249^2 .

It is a cyclic number.

It is not a de Polignac number, because 121001302102001 - 2¹⁰ = 121001302100977 is a prime.

It is a super-2 number, since 2×121001302102001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121001302102081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312082190 + ... + 312469671.

It is an arithmetic number, because the mean of its divisors is an integer number (30250481711901).

Almost surely, 2^{121001302102001} is an apocalyptic number.

It is an amenable number.

121001302102001 is a deficient number, since it is larger than the sum of its proper divisors (624745603).

121001302102001 is an equidigital number, since it uses as much as digits as its factorization.

121001302102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624745602.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121001302102001 its reverse (100201203100121), we get a palindrome (221202505202122).

The spelling of 121001302102001 in words is "one hundred twenty-one trillion, one billion, three hundred two million, one hundred two thousand, one".